@vue-flow/core
Version:
[](https://vueflow.dev/)   ![GitHub last commit](
1,677 lines • 345 kB
JavaScript
import { getCurrentScope, onScopeDispose, isRef, reactive, unref, toRefs as toRefs$1, customRef, ref, readonly, watch, getCurrentInstance, nextTick, computed, toValue as toValue$1, shallowRef, markRaw, inject, effectScope, toRef, onBeforeMount, defineComponent, createPropsRestProxy, onMounted, openBlock, createElementBlock, normalizeClass, renderSlot, h, Fragment, normalizeStyle, createCommentVNode, createElementVNode, mergeProps, createBlock, resolveDynamicComponent, createTextVNode, toDisplayString, useAttrs, provide, onBeforeUnmount, createVNode, withCtx, resolveComponent, renderList, Teleport, isMemoSame, useSlots, onUnmounted } from "vue";
function tryOnScopeDispose(fn) {
if (getCurrentScope()) {
onScopeDispose(fn);
return true;
}
return false;
}
function toValue(r) {
return typeof r === "function" ? r() : unref(r);
}
function toReactive(objectRef) {
if (!isRef(objectRef))
return reactive(objectRef);
const proxy = new Proxy({}, {
get(_, p, receiver) {
return unref(Reflect.get(objectRef.value, p, receiver));
},
set(_, p, value) {
if (isRef(objectRef.value[p]) && !isRef(value))
objectRef.value[p].value = value;
else
objectRef.value[p] = value;
return true;
},
deleteProperty(_, p) {
return Reflect.deleteProperty(objectRef.value, p);
},
has(_, p) {
return Reflect.has(objectRef.value, p);
},
ownKeys() {
return Object.keys(objectRef.value);
},
getOwnPropertyDescriptor() {
return {
enumerable: true,
configurable: true
};
}
});
return reactive(proxy);
}
const isClient = typeof window !== "undefined" && typeof document !== "undefined";
const isDef$1 = (val) => typeof val !== "undefined";
const toString = Object.prototype.toString;
const isObject = (val) => toString.call(val) === "[object Object]";
const noop$3 = () => {
};
function createFilterWrapper(filter2, fn) {
function wrapper(...args) {
return new Promise((resolve, reject) => {
Promise.resolve(filter2(() => fn.apply(this, args), { fn, thisArg: this, args })).then(resolve).catch(reject);
});
}
return wrapper;
}
const bypassFilter = (invoke) => {
return invoke();
};
function pausableFilter(extendFilter = bypassFilter) {
const isActive = ref(true);
function pause() {
isActive.value = false;
}
function resume() {
isActive.value = true;
}
const eventFilter = (...args) => {
if (isActive.value)
extendFilter(...args);
};
return { isActive: readonly(isActive), pause, resume, eventFilter };
}
function promiseTimeout(ms, throwOnTimeout = false, reason = "Timeout") {
return new Promise((resolve, reject) => {
if (throwOnTimeout)
setTimeout(() => reject(reason), ms);
else
setTimeout(resolve, ms);
});
}
function watchWithFilter(source, cb, options = {}) {
const {
eventFilter = bypassFilter,
...watchOptions
} = options;
return watch(
source,
createFilterWrapper(
eventFilter,
cb
),
watchOptions
);
}
function watchPausable(source, cb, options = {}) {
const {
eventFilter: filter2,
...watchOptions
} = options;
const { eventFilter, pause, resume, isActive } = pausableFilter(filter2);
const stop = watchWithFilter(
source,
cb,
{
...watchOptions,
eventFilter
}
);
return { stop, pause, resume, isActive };
}
function toRefs(objectRef, options = {}) {
if (!isRef(objectRef))
return toRefs$1(objectRef);
const result = Array.isArray(objectRef.value) ? Array.from({ length: objectRef.value.length }) : {};
for (const key in objectRef.value) {
result[key] = customRef(() => ({
get() {
return objectRef.value[key];
},
set(v) {
var _a;
const replaceRef = (_a = toValue(options.replaceRef)) != null ? _a : true;
if (replaceRef) {
if (Array.isArray(objectRef.value)) {
const copy = [...objectRef.value];
copy[key] = v;
objectRef.value = copy;
} else {
const newObject = { ...objectRef.value, [key]: v };
Object.setPrototypeOf(newObject, Object.getPrototypeOf(objectRef.value));
objectRef.value = newObject;
}
} else {
objectRef.value[key] = v;
}
}
}));
}
return result;
}
function createUntil(r, isNot = false) {
function toMatch(condition, { flush = "sync", deep = false, timeout: timeout2, throwOnTimeout } = {}) {
let stop = null;
const watcher = new Promise((resolve) => {
stop = watch(
r,
(v) => {
if (condition(v) !== isNot) {
stop == null ? void 0 : stop();
resolve(v);
}
},
{
flush,
deep,
immediate: true
}
);
});
const promises = [watcher];
if (timeout2 != null) {
promises.push(
promiseTimeout(timeout2, throwOnTimeout).then(() => toValue(r)).finally(() => stop == null ? void 0 : stop())
);
}
return Promise.race(promises);
}
function toBe(value, options) {
if (!isRef(value))
return toMatch((v) => v === value, options);
const { flush = "sync", deep = false, timeout: timeout2, throwOnTimeout } = options != null ? options : {};
let stop = null;
const watcher = new Promise((resolve) => {
stop = watch(
[r, value],
([v1, v2]) => {
if (isNot !== (v1 === v2)) {
stop == null ? void 0 : stop();
resolve(v1);
}
},
{
flush,
deep,
immediate: true
}
);
});
const promises = [watcher];
if (timeout2 != null) {
promises.push(
promiseTimeout(timeout2, throwOnTimeout).then(() => toValue(r)).finally(() => {
stop == null ? void 0 : stop();
return toValue(r);
})
);
}
return Promise.race(promises);
}
function toBeTruthy(options) {
return toMatch((v) => Boolean(v), options);
}
function toBeNull(options) {
return toBe(null, options);
}
function toBeUndefined(options) {
return toBe(void 0, options);
}
function toBeNaN(options) {
return toMatch(Number.isNaN, options);
}
function toContains(value, options) {
return toMatch((v) => {
const array2 = Array.from(v);
return array2.includes(value) || array2.includes(toValue(value));
}, options);
}
function changed(options) {
return changedTimes(1, options);
}
function changedTimes(n = 1, options) {
let count = -1;
return toMatch(() => {
count += 1;
return count >= n;
}, options);
}
if (Array.isArray(toValue(r))) {
const instance = {
toMatch,
toContains,
changed,
changedTimes,
get not() {
return createUntil(r, !isNot);
}
};
return instance;
} else {
const instance = {
toMatch,
toBe,
toBeTruthy,
toBeNull,
toBeNaN,
toBeUndefined,
changed,
changedTimes,
get not() {
return createUntil(r, !isNot);
}
};
return instance;
}
}
function until(r) {
return createUntil(r);
}
function unrefElement(elRef) {
var _a;
const plain = toValue(elRef);
return (_a = plain == null ? void 0 : plain.$el) != null ? _a : plain;
}
const defaultWindow = isClient ? window : void 0;
function useEventListener(...args) {
let target;
let events;
let listeners;
let options;
if (typeof args[0] === "string" || Array.isArray(args[0])) {
[events, listeners, options] = args;
target = defaultWindow;
} else {
[target, events, listeners, options] = args;
}
if (!target)
return noop$3;
if (!Array.isArray(events))
events = [events];
if (!Array.isArray(listeners))
listeners = [listeners];
const cleanups = [];
const cleanup = () => {
cleanups.forEach((fn) => fn());
cleanups.length = 0;
};
const register = (el, event, listener, options2) => {
el.addEventListener(event, listener, options2);
return () => el.removeEventListener(event, listener, options2);
};
const stopWatch = watch(
() => [unrefElement(target), toValue(options)],
([el, options2]) => {
cleanup();
if (!el)
return;
const optionsClone = isObject(options2) ? { ...options2 } : options2;
cleanups.push(
...events.flatMap((event) => {
return listeners.map((listener) => register(el, event, listener, optionsClone));
})
);
},
{ immediate: true, flush: "post" }
);
const stop = () => {
stopWatch();
cleanup();
};
tryOnScopeDispose(stop);
return stop;
}
function createKeyPredicate$1(keyFilter) {
if (typeof keyFilter === "function")
return keyFilter;
else if (typeof keyFilter === "string")
return (event) => event.key === keyFilter;
else if (Array.isArray(keyFilter))
return (event) => keyFilter.includes(event.key);
return () => true;
}
function onKeyStroke(...args) {
let key;
let handler;
let options = {};
if (args.length === 3) {
key = args[0];
handler = args[1];
options = args[2];
} else if (args.length === 2) {
if (typeof args[1] === "object") {
key = true;
handler = args[0];
options = args[1];
} else {
key = args[0];
handler = args[1];
}
} else {
key = true;
handler = args[0];
}
const {
target = defaultWindow,
eventName = "keydown",
passive = false,
dedupe = false
} = options;
const predicate = createKeyPredicate$1(key);
const listener = (e) => {
if (e.repeat && toValue(dedupe))
return;
if (predicate(e))
handler(e);
};
return useEventListener(target, eventName, listener, passive);
}
function cloneFnJSON(source) {
return JSON.parse(JSON.stringify(source));
}
function useVModel(props, key, emit, options = {}) {
var _a, _b, _c;
const {
clone = false,
passive = false,
eventName,
deep = false,
defaultValue,
shouldEmit
} = options;
const vm = getCurrentInstance();
const _emit = emit || (vm == null ? void 0 : vm.emit) || ((_a = vm == null ? void 0 : vm.$emit) == null ? void 0 : _a.bind(vm)) || ((_c = (_b = vm == null ? void 0 : vm.proxy) == null ? void 0 : _b.$emit) == null ? void 0 : _c.bind(vm == null ? void 0 : vm.proxy));
let event = eventName;
if (!key) {
{
key = "modelValue";
}
}
event = event || `update:${key.toString()}`;
const cloneFn = (val) => !clone ? val : typeof clone === "function" ? clone(val) : cloneFnJSON(val);
const getValue = () => isDef$1(props[key]) ? cloneFn(props[key]) : defaultValue;
const triggerEmit = (value) => {
if (shouldEmit) {
if (shouldEmit(value))
_emit(event, value);
} else {
_emit(event, value);
}
};
if (passive) {
const initialValue = getValue();
const proxy = ref(initialValue);
let isUpdating = false;
watch(
() => props[key],
(v) => {
if (!isUpdating) {
isUpdating = true;
proxy.value = cloneFn(v);
nextTick(() => isUpdating = false);
}
}
);
watch(
proxy,
(v) => {
if (!isUpdating && (v !== props[key] || deep))
triggerEmit(v);
},
{ deep }
);
return proxy;
} else {
return computed({
get() {
return getValue();
},
set(value) {
triggerEmit(value);
}
});
}
}
var noop$2 = { value: () => {
} };
function dispatch() {
for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) {
if (!(t = arguments[i] + "") || t in _ || /[\s.]/.test(t))
throw new Error("illegal type: " + t);
_[t] = [];
}
return new Dispatch(_);
}
function Dispatch(_) {
this._ = _;
}
function parseTypenames$1(typenames, types) {
return typenames.trim().split(/^|\s+/).map(function(t) {
var name = "", i = t.indexOf(".");
if (i >= 0)
name = t.slice(i + 1), t = t.slice(0, i);
if (t && !types.hasOwnProperty(t))
throw new Error("unknown type: " + t);
return { type: t, name };
});
}
Dispatch.prototype = dispatch.prototype = {
constructor: Dispatch,
on: function(typename, callback) {
var _ = this._, T = parseTypenames$1(typename + "", _), t, i = -1, n = T.length;
if (arguments.length < 2) {
while (++i < n)
if ((t = (typename = T[i]).type) && (t = get$1(_[t], typename.name)))
return t;
return;
}
if (callback != null && typeof callback !== "function")
throw new Error("invalid callback: " + callback);
while (++i < n) {
if (t = (typename = T[i]).type)
_[t] = set$1(_[t], typename.name, callback);
else if (callback == null)
for (t in _)
_[t] = set$1(_[t], typename.name, null);
}
return this;
},
copy: function() {
var copy = {}, _ = this._;
for (var t in _)
copy[t] = _[t].slice();
return new Dispatch(copy);
},
call: function(type, that) {
if ((n = arguments.length - 2) > 0)
for (var args = new Array(n), i = 0, n, t; i < n; ++i)
args[i] = arguments[i + 2];
if (!this._.hasOwnProperty(type))
throw new Error("unknown type: " + type);
for (t = this._[type], i = 0, n = t.length; i < n; ++i)
t[i].value.apply(that, args);
},
apply: function(type, that, args) {
if (!this._.hasOwnProperty(type))
throw new Error("unknown type: " + type);
for (var t = this._[type], i = 0, n = t.length; i < n; ++i)
t[i].value.apply(that, args);
}
};
function get$1(type, name) {
for (var i = 0, n = type.length, c; i < n; ++i) {
if ((c = type[i]).name === name) {
return c.value;
}
}
}
function set$1(type, name, callback) {
for (var i = 0, n = type.length; i < n; ++i) {
if (type[i].name === name) {
type[i] = noop$2, type = type.slice(0, i).concat(type.slice(i + 1));
break;
}
}
if (callback != null)
type.push({ name, value: callback });
return type;
}
var xhtml = "http://www.w3.org/1999/xhtml";
const namespaces = {
svg: "http://www.w3.org/2000/svg",
xhtml,
xlink: "http://www.w3.org/1999/xlink",
xml: "http://www.w3.org/XML/1998/namespace",
xmlns: "http://www.w3.org/2000/xmlns/"
};
function namespace(name) {
var prefix = name += "", i = prefix.indexOf(":");
if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns")
name = name.slice(i + 1);
return namespaces.hasOwnProperty(prefix) ? { space: namespaces[prefix], local: name } : name;
}
function creatorInherit(name) {
return function() {
var document2 = this.ownerDocument, uri = this.namespaceURI;
return uri === xhtml && document2.documentElement.namespaceURI === xhtml ? document2.createElement(name) : document2.createElementNS(uri, name);
};
}
function creatorFixed(fullname) {
return function() {
return this.ownerDocument.createElementNS(fullname.space, fullname.local);
};
}
function creator(name) {
var fullname = namespace(name);
return (fullname.local ? creatorFixed : creatorInherit)(fullname);
}
function none() {
}
function selector(selector2) {
return selector2 == null ? none : function() {
return this.querySelector(selector2);
};
}
function selection_select(select2) {
if (typeof select2 !== "function")
select2 = selector(select2);
for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {
if ((node = group[i]) && (subnode = select2.call(node, node.__data__, i, group))) {
if ("__data__" in node)
subnode.__data__ = node.__data__;
subgroup[i] = subnode;
}
}
}
return new Selection$1(subgroups, this._parents);
}
function array(x) {
return x == null ? [] : Array.isArray(x) ? x : Array.from(x);
}
function empty() {
return [];
}
function selectorAll(selector2) {
return selector2 == null ? empty : function() {
return this.querySelectorAll(selector2);
};
}
function arrayAll(select2) {
return function() {
return array(select2.apply(this, arguments));
};
}
function selection_selectAll(select2) {
if (typeof select2 === "function")
select2 = arrayAll(select2);
else
select2 = selectorAll(select2);
for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {
for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
if (node = group[i]) {
subgroups.push(select2.call(node, node.__data__, i, group));
parents.push(node);
}
}
}
return new Selection$1(subgroups, parents);
}
function matcher(selector2) {
return function() {
return this.matches(selector2);
};
}
function childMatcher(selector2) {
return function(node) {
return node.matches(selector2);
};
}
var find = Array.prototype.find;
function childFind(match) {
return function() {
return find.call(this.children, match);
};
}
function childFirst() {
return this.firstElementChild;
}
function selection_selectChild(match) {
return this.select(match == null ? childFirst : childFind(typeof match === "function" ? match : childMatcher(match)));
}
var filter = Array.prototype.filter;
function children() {
return Array.from(this.children);
}
function childrenFilter(match) {
return function() {
return filter.call(this.children, match);
};
}
function selection_selectChildren(match) {
return this.selectAll(match == null ? children : childrenFilter(typeof match === "function" ? match : childMatcher(match)));
}
function selection_filter(match) {
if (typeof match !== "function")
match = matcher(match);
for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) {
if ((node = group[i]) && match.call(node, node.__data__, i, group)) {
subgroup.push(node);
}
}
}
return new Selection$1(subgroups, this._parents);
}
function sparse(update) {
return new Array(update.length);
}
function selection_enter() {
return new Selection$1(this._enter || this._groups.map(sparse), this._parents);
}
function EnterNode(parent, datum2) {
this.ownerDocument = parent.ownerDocument;
this.namespaceURI = parent.namespaceURI;
this._next = null;
this._parent = parent;
this.__data__ = datum2;
}
EnterNode.prototype = {
constructor: EnterNode,
appendChild: function(child) {
return this._parent.insertBefore(child, this._next);
},
insertBefore: function(child, next) {
return this._parent.insertBefore(child, next);
},
querySelector: function(selector2) {
return this._parent.querySelector(selector2);
},
querySelectorAll: function(selector2) {
return this._parent.querySelectorAll(selector2);
}
};
function constant$3(x) {
return function() {
return x;
};
}
function bindIndex(parent, group, enter, update, exit, data) {
var i = 0, node, groupLength = group.length, dataLength = data.length;
for (; i < dataLength; ++i) {
if (node = group[i]) {
node.__data__ = data[i];
update[i] = node;
} else {
enter[i] = new EnterNode(parent, data[i]);
}
}
for (; i < groupLength; ++i) {
if (node = group[i]) {
exit[i] = node;
}
}
}
function bindKey(parent, group, enter, update, exit, data, key) {
var i, node, nodeByKeyValue = /* @__PURE__ */ new Map(), groupLength = group.length, dataLength = data.length, keyValues = new Array(groupLength), keyValue;
for (i = 0; i < groupLength; ++i) {
if (node = group[i]) {
keyValues[i] = keyValue = key.call(node, node.__data__, i, group) + "";
if (nodeByKeyValue.has(keyValue)) {
exit[i] = node;
} else {
nodeByKeyValue.set(keyValue, node);
}
}
}
for (i = 0; i < dataLength; ++i) {
keyValue = key.call(parent, data[i], i, data) + "";
if (node = nodeByKeyValue.get(keyValue)) {
update[i] = node;
node.__data__ = data[i];
nodeByKeyValue.delete(keyValue);
} else {
enter[i] = new EnterNode(parent, data[i]);
}
}
for (i = 0; i < groupLength; ++i) {
if ((node = group[i]) && nodeByKeyValue.get(keyValues[i]) === node) {
exit[i] = node;
}
}
}
function datum(node) {
return node.__data__;
}
function selection_data(value, key) {
if (!arguments.length)
return Array.from(this, datum);
var bind = key ? bindKey : bindIndex, parents = this._parents, groups = this._groups;
if (typeof value !== "function")
value = constant$3(value);
for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) {
var parent = parents[j], group = groups[j], groupLength = group.length, data = arraylike(value.call(parent, parent && parent.__data__, j, parents)), dataLength = data.length, enterGroup = enter[j] = new Array(dataLength), updateGroup = update[j] = new Array(dataLength), exitGroup = exit[j] = new Array(groupLength);
bind(parent, group, enterGroup, updateGroup, exitGroup, data, key);
for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) {
if (previous = enterGroup[i0]) {
if (i0 >= i1)
i1 = i0 + 1;
while (!(next = updateGroup[i1]) && ++i1 < dataLength)
;
previous._next = next || null;
}
}
}
update = new Selection$1(update, parents);
update._enter = enter;
update._exit = exit;
return update;
}
function arraylike(data) {
return typeof data === "object" && "length" in data ? data : Array.from(data);
}
function selection_exit() {
return new Selection$1(this._exit || this._groups.map(sparse), this._parents);
}
function selection_join(onenter, onupdate, onexit) {
var enter = this.enter(), update = this, exit = this.exit();
if (typeof onenter === "function") {
enter = onenter(enter);
if (enter)
enter = enter.selection();
} else {
enter = enter.append(onenter + "");
}
if (onupdate != null) {
update = onupdate(update);
if (update)
update = update.selection();
}
if (onexit == null)
exit.remove();
else
onexit(exit);
return enter && update ? enter.merge(update).order() : update;
}
function selection_merge(context) {
var selection2 = context.selection ? context.selection() : context;
for (var groups0 = this._groups, groups1 = selection2._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) {
for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) {
if (node = group0[i] || group1[i]) {
merge[i] = node;
}
}
}
for (; j < m0; ++j) {
merges[j] = groups0[j];
}
return new Selection$1(merges, this._parents);
}
function selection_order() {
for (var groups = this._groups, j = -1, m = groups.length; ++j < m; ) {
for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
if (node = group[i]) {
if (next && node.compareDocumentPosition(next) ^ 4)
next.parentNode.insertBefore(node, next);
next = node;
}
}
}
return this;
}
function selection_sort(compare) {
if (!compare)
compare = ascending;
function compareNode(a, b) {
return a && b ? compare(a.__data__, b.__data__) : !a - !b;
}
for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) {
for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) {
if (node = group[i]) {
sortgroup[i] = node;
}
}
sortgroup.sort(compareNode);
}
return new Selection$1(sortgroups, this._parents).order();
}
function ascending(a, b) {
return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
}
function selection_call() {
var callback = arguments[0];
arguments[0] = this;
callback.apply(null, arguments);
return this;
}
function selection_nodes() {
return Array.from(this);
}
function selection_node() {
for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
for (var group = groups[j], i = 0, n = group.length; i < n; ++i) {
var node = group[i];
if (node)
return node;
}
}
return null;
}
function selection_size() {
let size = 0;
for (const node of this)
++size;
return size;
}
function selection_empty() {
return !this.node();
}
function selection_each(callback) {
for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) {
if (node = group[i])
callback.call(node, node.__data__, i, group);
}
}
return this;
}
function attrRemove$1(name) {
return function() {
this.removeAttribute(name);
};
}
function attrRemoveNS$1(fullname) {
return function() {
this.removeAttributeNS(fullname.space, fullname.local);
};
}
function attrConstant$1(name, value) {
return function() {
this.setAttribute(name, value);
};
}
function attrConstantNS$1(fullname, value) {
return function() {
this.setAttributeNS(fullname.space, fullname.local, value);
};
}
function attrFunction$1(name, value) {
return function() {
var v = value.apply(this, arguments);
if (v == null)
this.removeAttribute(name);
else
this.setAttribute(name, v);
};
}
function attrFunctionNS$1(fullname, value) {
return function() {
var v = value.apply(this, arguments);
if (v == null)
this.removeAttributeNS(fullname.space, fullname.local);
else
this.setAttributeNS(fullname.space, fullname.local, v);
};
}
function selection_attr(name, value) {
var fullname = namespace(name);
if (arguments.length < 2) {
var node = this.node();
return fullname.local ? node.getAttributeNS(fullname.space, fullname.local) : node.getAttribute(fullname);
}
return this.each((value == null ? fullname.local ? attrRemoveNS$1 : attrRemove$1 : typeof value === "function" ? fullname.local ? attrFunctionNS$1 : attrFunction$1 : fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, value));
}
function defaultView(node) {
return node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView;
}
function styleRemove$1(name) {
return function() {
this.style.removeProperty(name);
};
}
function styleConstant$1(name, value, priority) {
return function() {
this.style.setProperty(name, value, priority);
};
}
function styleFunction$1(name, value, priority) {
return function() {
var v = value.apply(this, arguments);
if (v == null)
this.style.removeProperty(name);
else
this.style.setProperty(name, v, priority);
};
}
function selection_style(name, value, priority) {
return arguments.length > 1 ? this.each((value == null ? styleRemove$1 : typeof value === "function" ? styleFunction$1 : styleConstant$1)(name, value, priority == null ? "" : priority)) : styleValue(this.node(), name);
}
function styleValue(node, name) {
return node.style.getPropertyValue(name) || defaultView(node).getComputedStyle(node, null).getPropertyValue(name);
}
function propertyRemove(name) {
return function() {
delete this[name];
};
}
function propertyConstant(name, value) {
return function() {
this[name] = value;
};
}
function propertyFunction(name, value) {
return function() {
var v = value.apply(this, arguments);
if (v == null)
delete this[name];
else
this[name] = v;
};
}
function selection_property(name, value) {
return arguments.length > 1 ? this.each((value == null ? propertyRemove : typeof value === "function" ? propertyFunction : propertyConstant)(name, value)) : this.node()[name];
}
function classArray(string) {
return string.trim().split(/^|\s+/);
}
function classList(node) {
return node.classList || new ClassList(node);
}
function ClassList(node) {
this._node = node;
this._names = classArray(node.getAttribute("class") || "");
}
ClassList.prototype = {
add: function(name) {
var i = this._names.indexOf(name);
if (i < 0) {
this._names.push(name);
this._node.setAttribute("class", this._names.join(" "));
}
},
remove: function(name) {
var i = this._names.indexOf(name);
if (i >= 0) {
this._names.splice(i, 1);
this._node.setAttribute("class", this._names.join(" "));
}
},
contains: function(name) {
return this._names.indexOf(name) >= 0;
}
};
function classedAdd(node, names) {
var list = classList(node), i = -1, n = names.length;
while (++i < n)
list.add(names[i]);
}
function classedRemove(node, names) {
var list = classList(node), i = -1, n = names.length;
while (++i < n)
list.remove(names[i]);
}
function classedTrue(names) {
return function() {
classedAdd(this, names);
};
}
function classedFalse(names) {
return function() {
classedRemove(this, names);
};
}
function classedFunction(names, value) {
return function() {
(value.apply(this, arguments) ? classedAdd : classedRemove)(this, names);
};
}
function selection_classed(name, value) {
var names = classArray(name + "");
if (arguments.length < 2) {
var list = classList(this.node()), i = -1, n = names.length;
while (++i < n)
if (!list.contains(names[i]))
return false;
return true;
}
return this.each((typeof value === "function" ? classedFunction : value ? classedTrue : classedFalse)(names, value));
}
function textRemove() {
this.textContent = "";
}
function textConstant$1(value) {
return function() {
this.textContent = value;
};
}
function textFunction$1(value) {
return function() {
var v = value.apply(this, arguments);
this.textContent = v == null ? "" : v;
};
}
function selection_text(value) {
return arguments.length ? this.each(value == null ? textRemove : (typeof value === "function" ? textFunction$1 : textConstant$1)(value)) : this.node().textContent;
}
function htmlRemove() {
this.innerHTML = "";
}
function htmlConstant(value) {
return function() {
this.innerHTML = value;
};
}
function htmlFunction(value) {
return function() {
var v = value.apply(this, arguments);
this.innerHTML = v == null ? "" : v;
};
}
function selection_html(value) {
return arguments.length ? this.each(value == null ? htmlRemove : (typeof value === "function" ? htmlFunction : htmlConstant)(value)) : this.node().innerHTML;
}
function raise() {
if (this.nextSibling)
this.parentNode.appendChild(this);
}
function selection_raise() {
return this.each(raise);
}
function lower() {
if (this.previousSibling)
this.parentNode.insertBefore(this, this.parentNode.firstChild);
}
function selection_lower() {
return this.each(lower);
}
function selection_append(name) {
var create2 = typeof name === "function" ? name : creator(name);
return this.select(function() {
return this.appendChild(create2.apply(this, arguments));
});
}
function constantNull() {
return null;
}
function selection_insert(name, before) {
var create2 = typeof name === "function" ? name : creator(name), select2 = before == null ? constantNull : typeof before === "function" ? before : selector(before);
return this.select(function() {
return this.insertBefore(create2.apply(this, arguments), select2.apply(this, arguments) || null);
});
}
function remove() {
var parent = this.parentNode;
if (parent)
parent.removeChild(this);
}
function selection_remove() {
return this.each(remove);
}
function selection_cloneShallow() {
var clone = this.cloneNode(false), parent = this.parentNode;
return parent ? parent.insertBefore(clone, this.nextSibling) : clone;
}
function selection_cloneDeep() {
var clone = this.cloneNode(true), parent = this.parentNode;
return parent ? parent.insertBefore(clone, this.nextSibling) : clone;
}
function selection_clone(deep) {
return this.select(deep ? selection_cloneDeep : selection_cloneShallow);
}
function selection_datum(value) {
return arguments.length ? this.property("__data__", value) : this.node().__data__;
}
function contextListener(listener) {
return function(event) {
listener.call(this, event, this.__data__);
};
}
function parseTypenames(typenames) {
return typenames.trim().split(/^|\s+/).map(function(t) {
var name = "", i = t.indexOf(".");
if (i >= 0)
name = t.slice(i + 1), t = t.slice(0, i);
return { type: t, name };
});
}
function onRemove(typename) {
return function() {
var on = this.__on;
if (!on)
return;
for (var j = 0, i = -1, m = on.length, o; j < m; ++j) {
if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) {
this.removeEventListener(o.type, o.listener, o.options);
} else {
on[++i] = o;
}
}
if (++i)
on.length = i;
else
delete this.__on;
};
}
function onAdd(typename, value, options) {
return function() {
var on = this.__on, o, listener = contextListener(value);
if (on)
for (var j = 0, m = on.length; j < m; ++j) {
if ((o = on[j]).type === typename.type && o.name === typename.name) {
this.removeEventListener(o.type, o.listener, o.options);
this.addEventListener(o.type, o.listener = listener, o.options = options);
o.value = value;
return;
}
}
this.addEventListener(typename.type, listener, options);
o = { type: typename.type, name: typename.name, value, listener, options };
if (!on)
this.__on = [o];
else
on.push(o);
};
}
function selection_on(typename, value, options) {
var typenames = parseTypenames(typename + ""), i, n = typenames.length, t;
if (arguments.length < 2) {
var on = this.node().__on;
if (on)
for (var j = 0, m = on.length, o; j < m; ++j) {
for (i = 0, o = on[j]; i < n; ++i) {
if ((t = typenames[i]).type === o.type && t.name === o.name) {
return o.value;
}
}
}
return;
}
on = value ? onAdd : onRemove;
for (i = 0; i < n; ++i)
this.each(on(typenames[i], value, options));
return this;
}
function dispatchEvent(node, type, params) {
var window2 = defaultView(node), event = window2.CustomEvent;
if (typeof event === "function") {
event = new event(type, params);
} else {
event = window2.document.createEvent("Event");
if (params)
event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail;
else
event.initEvent(type, false, false);
}
node.dispatchEvent(event);
}
function dispatchConstant(type, params) {
return function() {
return dispatchEvent(this, type, params);
};
}
function dispatchFunction(type, params) {
return function() {
return dispatchEvent(this, type, params.apply(this, arguments));
};
}
function selection_dispatch(type, params) {
return this.each((typeof params === "function" ? dispatchFunction : dispatchConstant)(type, params));
}
function* selection_iterator() {
for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) {
if (node = group[i])
yield node;
}
}
}
var root = [null];
function Selection$1(groups, parents) {
this._groups = groups;
this._parents = parents;
}
function selection() {
return new Selection$1([[document.documentElement]], root);
}
function selection_selection() {
return this;
}
Selection$1.prototype = selection.prototype = {
constructor: Selection$1,
select: selection_select,
selectAll: selection_selectAll,
selectChild: selection_selectChild,
selectChildren: selection_selectChildren,
filter: selection_filter,
data: selection_data,
enter: selection_enter,
exit: selection_exit,
join: selection_join,
merge: selection_merge,
selection: selection_selection,
order: selection_order,
sort: selection_sort,
call: selection_call,
nodes: selection_nodes,
node: selection_node,
size: selection_size,
empty: selection_empty,
each: selection_each,
attr: selection_attr,
style: selection_style,
property: selection_property,
classed: selection_classed,
text: selection_text,
html: selection_html,
raise: selection_raise,
lower: selection_lower,
append: selection_append,
insert: selection_insert,
remove: selection_remove,
clone: selection_clone,
datum: selection_datum,
on: selection_on,
dispatch: selection_dispatch,
[Symbol.iterator]: selection_iterator
};
function select(selector2) {
return typeof selector2 === "string" ? new Selection$1([[document.querySelector(selector2)]], [document.documentElement]) : new Selection$1([[selector2]], root);
}
function sourceEvent(event) {
let sourceEvent2;
while (sourceEvent2 = event.sourceEvent)
event = sourceEvent2;
return event;
}
function pointer(event, node) {
event = sourceEvent(event);
if (node === void 0)
node = event.currentTarget;
if (node) {
var svg = node.ownerSVGElement || node;
if (svg.createSVGPoint) {
var point = svg.createSVGPoint();
point.x = event.clientX, point.y = event.clientY;
point = point.matrixTransform(node.getScreenCTM().inverse());
return [point.x, point.y];
}
if (node.getBoundingClientRect) {
var rect = node.getBoundingClientRect();
return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop];
}
}
return [event.pageX, event.pageY];
}
const nonpassive = { passive: false };
const nonpassivecapture = { capture: true, passive: false };
function nopropagation$1(event) {
event.stopImmediatePropagation();
}
function noevent$1(event) {
event.preventDefault();
event.stopImmediatePropagation();
}
function dragDisable(view) {
var root2 = view.document.documentElement, selection2 = select(view).on("dragstart.drag", noevent$1, nonpassivecapture);
if ("onselectstart" in root2) {
selection2.on("selectstart.drag", noevent$1, nonpassivecapture);
} else {
root2.__noselect = root2.style.MozUserSelect;
root2.style.MozUserSelect = "none";
}
}
function yesdrag(view, noclick) {
var root2 = view.document.documentElement, selection2 = select(view).on("dragstart.drag", null);
if (noclick) {
selection2.on("click.drag", noevent$1, nonpassivecapture);
setTimeout(function() {
selection2.on("click.drag", null);
}, 0);
}
if ("onselectstart" in root2) {
selection2.on("selectstart.drag", null);
} else {
root2.style.MozUserSelect = root2.__noselect;
delete root2.__noselect;
}
}
const constant$2 = (x) => () => x;
function DragEvent(type, {
sourceEvent: sourceEvent2,
subject,
target,
identifier,
active,
x,
y,
dx,
dy,
dispatch: dispatch2
}) {
Object.defineProperties(this, {
type: { value: type, enumerable: true, configurable: true },
sourceEvent: { value: sourceEvent2, enumerable: true, configurable: true },
subject: { value: subject, enumerable: true, configurable: true },
target: { value: target, enumerable: true, configurable: true },
identifier: { value: identifier, enumerable: true, configurable: true },
active: { value: active, enumerable: true, configurable: true },
x: { value: x, enumerable: true, configurable: true },
y: { value: y, enumerable: true, configurable: true },
dx: { value: dx, enumerable: true, configurable: true },
dy: { value: dy, enumerable: true, configurable: true },
_: { value: dispatch2 }
});
}
DragEvent.prototype.on = function() {
var value = this._.on.apply(this._, arguments);
return value === this._ ? this : value;
};
function defaultFilter$1(event) {
return !event.ctrlKey && !event.button;
}
function defaultContainer() {
return this.parentNode;
}
function defaultSubject(event, d) {
return d == null ? { x: event.x, y: event.y } : d;
}
function defaultTouchable$1() {
return navigator.maxTouchPoints || "ontouchstart" in this;
}
function drag() {
var filter2 = defaultFilter$1, container = defaultContainer, subject = defaultSubject, touchable = defaultTouchable$1, gestures = {}, listeners = dispatch("start", "drag", "end"), active = 0, mousedownx, mousedowny, mousemoving, touchending, clickDistance2 = 0;
function drag2(selection2) {
selection2.on("mousedown.drag", mousedowned).filter(touchable).on("touchstart.drag", touchstarted).on("touchmove.drag", touchmoved, nonpassive).on("touchend.drag touchcancel.drag", touchended).style("touch-action", "none").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
}
function mousedowned(event, d) {
if (touchending || !filter2.call(this, event, d))
return;
var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse");
if (!gesture)
return;
select(event.view).on("mousemove.drag", mousemoved, nonpassivecapture).on("mouseup.drag", mouseupped, nonpassivecapture);
dragDisable(event.view);
nopropagation$1(event);
mousemoving = false;
mousedownx = event.clientX;
mousedowny = event.clientY;
gesture("start", event);
}
function mousemoved(event) {
noevent$1(event);
if (!mousemoving) {
var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny;
mousemoving = dx * dx + dy * dy > clickDistance2;
}
gestures.mouse("drag", event);
}
function mouseupped(event) {
select(event.view).on("mousemove.drag mouseup.drag", null);
yesdrag(event.view, mousemoving);
noevent$1(event);
gestures.mouse("end", event);
}
function touchstarted(event, d) {
if (!filter2.call(this, event, d))
return;
var touches = event.changedTouches, c = container.call(this, event, d), n = touches.length, i, gesture;
for (i = 0; i < n; ++i) {
if (gesture = beforestart(this, c, event, d, touches[i].identifier, touches[i])) {
nopropagation$1(event);
gesture("start", event, touches[i]);
}
}
}
function touchmoved(event) {
var touches = event.changedTouches, n = touches.length, i, gesture;
for (i = 0; i < n; ++i) {
if (gesture = gestures[touches[i].identifier]) {
noevent$1(event);
gesture("drag", event, touches[i]);
}
}
}
function touchended(event) {
var touches = event.changedTouches, n = touches.length, i, gesture;
if (touchending)
clearTimeout(touchending);
touchending = setTimeout(function() {
touchending = null;
}, 500);
for (i = 0; i < n; ++i) {
if (gesture = gestures[touches[i].identifier]) {
nopropagation$1(event);
gesture("end", event, touches[i]);
}
}
}
function beforestart(that, container2, event, d, identifier, touch) {
var dispatch2 = listeners.copy(), p = pointer(touch || event, container2), dx, dy, s;
if ((s = subject.call(that, new DragEvent("beforestart", {
sourceEvent: event,
target: drag2,
identifier,
active,
x: p[0],
y: p[1],
dx: 0,
dy: 0,
dispatch: dispatch2
}), d)) == null)
return;
dx = s.x - p[0] || 0;
dy = s.y - p[1] || 0;
return function gesture(type, event2, touch2) {
var p0 = p, n;
switch (type) {
case "start":
gestures[identifier] = gesture, n = active++;
break;
case "end":
delete gestures[identifier], --active;
case "drag":
p = pointer(touch2 || event2, container2), n = active;
break;
}
dispatch2.call(
type,
that,
new DragEvent(type, {
sourceEvent: event2,
subject: s,
target: drag2,
identifier,
active: n,
x: p[0] + dx,
y: p[1] + dy,
dx: p[0] - p0[0],
dy: p[1] - p0[1],
dispatch: dispatch2
}),
d
);
};
}
drag2.filter = function(_) {
return arguments.length ? (filter2 = typeof _ === "function" ? _ : constant$2(!!_), drag2) : filter2;
};
drag2.container = function(_) {
return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag2) : container;
};
drag2.subject = function(_) {
return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag2) : subject;
};
drag2.touchable = function(_) {
return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), drag2) : touchable;
};
drag2.on = function() {
var value = listeners.on.apply(listeners, arguments);
return value === listeners ? drag2 : value;
};
drag2.clickDistance = function(_) {
return arguments.length ? (clickDistance2 = (_ = +_) * _, drag2) : Math.sqrt(clickDistance2);
};
return drag2;
}
function define(constructor, factory, prototype) {
constructor.prototype = factory.prototype = prototype;
prototype.constructor = constructor;
}
function extend(parent, definition) {
var prototype = Object.create(parent.prototype);
for (var key in definition)
prototype[key] = definition[key];
return prototype;
}
function Color() {
}
var darker = 0.7;
var brighter = 1 / darker;
var reI = "\\s*([+-]?\\d+)\\s*", reN = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)\\s*", reP = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)%\\s*", reHex = /^#([0-9a-f]{3,8})$/, reRgbInteger = new RegExp(`^rgb\\(${reI},${reI},${reI}\\)$`), reRgbPercent = new RegExp(`^rgb\\(${reP},${reP},${reP}\\)$`), reRgbaInteger = new RegExp(`^rgba\\(${reI},${reI},${reI},${reN}\\)$`), reRgbaPercent = new RegExp(`^rgba\\(${reP},${reP},${reP},${reN}\\)$`), reHslPercent = new RegExp(`^hsl\\(${reN},${reP},${reP}\\)$`), reHslaPercent = new RegExp(`^hsla\\(${reN},${reP},${reP},${reN}\\)$`);
var named = {
aliceblue: 15792383,
antiquewhite: 16444375,
aqua: 65535,
aquamarine: 8388564,
azure: 15794175,
beige: 16119260,
bisque: 16770244,
black: 0,
blanchedalmond: 16772045,
blue: 255,
blueviolet: 9055202,
brown: 10824234,
burlywood: 14596231,
cadetblue: 6266528,
chartreuse: 8388352,
chocolate: 13789470,
coral: 16744272,
cornflowerblue: 6591981,
cornsilk: 16775388,
crimson: 14423100,
cyan: 65535,
darkblue: 139,
darkcyan: 35723,
darkgoldenrod: 12092939,
darkgray: 11119017,
darkgreen: 25600,
darkgrey: 11119017,
darkkhaki: 12433259,
darkmagenta: 9109643,
darkolivegreen: 5597999,
darkorange: 16747520,
darkorchid: 10040012,
darkred: 9109504,
darksalmon: 15308410,
darkseagreen: 9419919,
darkslateblue: 4734347,
darkslategray: 3100495,
darkslategrey: 3100495,
darkturquoise: 52945,
darkviolet: 9699539,
deeppink: 16716947,
deepskyblue: 49151,
dimgray: 6908265,
dimgrey: 6908265,
dodgerblue: 2003199,
firebrick: 11674146,
floralwhite: 16775920,
forestgreen: 2263842,
fuchsia: 16711935,
gainsboro: 14474460,
ghostwhite: 16316671,
gold: 16766720,
goldenrod: 14329120,
gray: 8421504,
green: 32768,
greenyellow: 11403055,
grey: 8421504,
honeydew: 15794160,
hotpink: 16738740,
indianred: 13458524,
indigo: 4915330,
ivory: 16777200,
khaki: 15787660,
lavender: 15132410,
lavenderblush: 16773365,
lawngreen: 8190976,
lemonchiffon: 16775885,
lightblue: 11393254,
lightcoral: 15761536,
lightcyan: 14745599,
lightgoldenrodyellow: 16448210,
lightgray: 13882323,
lightgreen: 9498256,
lightgrey: 13882323,
lightpink: 16758465,
lightsalmon: 16752762,
lightseagreen: 2142890,
lightskyblue: 8900346,
lightslategray: 7833753,
lightslategrey: 7833753,
lightsteelblue: 11584734,
lightyellow: 16777184,
lime: 65280,
limegreen: 3329330,
linen: 16445670,
magenta: 16711935,
maroon: 8388608,
mediumaquamarine: 6737322,
mediumblue: 205,
mediumorchid: 12211667,
mediumpurple: 9662683,
mediumseagreen: 3978097,
mediumslateblue: 8087790,
mediumspringgreen: 64154,
mediumturquoise: 4772300,
mediumvioletred: 13047173,
midnightblue: 1644912,
mintcream: 16121850,
mistyrose: 16770273,
moccasin: 16770229,
navajowhite: 16768685,
navy: 128,
oldlace: 16643558,
olive: 8421376,
olivedrab: 7048739,
orange: 16753920,
orangered: 16729344,
orchid: 14315734,
palegoldenrod: 15657130,
palegreen: 10025880,
paleturquoise: 11529966,
palevioletred: 14381203,
papayawhip: 16773077,
peachpuff: 16767673,
peru: 13468991,
pink: 16761035,
plum: 14524637,
powderblue: 11591910,
purple: 8388736,
rebeccapurple: 6697881,
red: 16711680,
rosybrown: 12357519,
royalblue: 4286945,
saddlebrown: 9127187,
salmon: 16416882,
sandybrown: 16032864,
seagreen: 3050327,
seashell: 16774638,
sienna: 10506797,
silver: 12632256,
skyblue: 8900331,
slateblue: 6970061,
slategray: 7372944,
slategrey: 7372944,
snow: 16775930,
springgreen: 65407,
steelblue: 4620980,
tan: 13808780,
teal: 32896,
thistle: 14204888,
tomato: 16737095,
turquoise: 4251856,
violet: 15631086,
wheat: 16113331,
white: 16777215,
whitesmoke: 16119285,
yellow: 16776960,
yellowgreen: 10145074
};
define(Color, color, {
copy(channels) {
return Object.assign(new this.constructor(), this, channels);
},
displayable() {
return this.rgb().displayable();
},
hex: color_formatHex,
// Deprecated! Use color.formatHex.
formatHex: color_formatHex,
formatHex8: color_formatHex8,
formatHsl: color_formatHsl,
formatRgb: color_formatRgb,
toString: color_formatRgb
});
function color_formatHex() {
return this.rgb().formatHex();
}
function color_formatHex8() {
return this.rgb().formatHex8();
}
function color_formatHsl() {
return hslConvert(this).formatHsl();
}
function color_formatRgb() {
return this.rgb().formatRg